All vulnerabilities

Servers and applications

CVE-2019-6596

In BIG-IP 14.0.0-14.0.0.2, 13.0.0-13.1.1.1, 12.1.0-12.1.3.6, 11.6.1-11.6.3.2, or 11.5.1-11.5.8, when processing fragmented ClientHello messages in a DTLS session TMM may corrupt memory eventually leading to a crash. Only systems offering DTLS connections via APM are impacted.

Severity
High 7.5
Published
13 Mar 2019
Last changed
17 Jun 2026
Added to UpHeron
1 Nov 2026
Exploit chance
1.4% in the next 30 daysHigher than 72% of CVEs. EPSS by FIRST, 10 Nov 2026
Sources
NVD

Affected software

SoftwareAffected versions
F5 BIG-IPServers and applications · cpe:a:f5:big-ip_access_policy_manager
  • From 11.5.1 up to 11.5.8
  • From 11.6.1 up to 11.6.3
  • From 12.1.0 up to 12.1.3
  • From 13.0.0 up to 13.1.1
  • Version 14.0.0

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2019-6596
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2019-6596